Fix discovery of @maximumDuration annotation when test-cases have no test methods

[courtney-miles]

This fixes a warning triggered when discovering the maximum duration for a test-case class that has no test methods.

Fixes #686

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 57.62%. Comparing base (8ff9c0b) to head (f51937a).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
src/Extension.php	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #687      +/-   ##
============================================
- Coverage     57.86%   57.62%   -0.25%     
  Complexity      135      135              
============================================
  Files            33       33              
  Lines           712      715       +3     
============================================
  Hits            412      412              
- Misses          300      303       +3     

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[courtney-miles]

Hey @localheinz ,

Are you able to approve the workflow?

I apologise for the revisions -- I think I exceeded some limit.

The full suite of tests for all versions does not run locally for myself. I think the code changes are good, but getting the test expectations correct has been trial and error.

[localheinz]

Apologies for the delay!

[courtney-miles]

Heya @localheinz ,

Just another nudge to approve this workflow.

I'm hoping I have the tests expectations correct this time 🤞